The end day of the appointment is not rendered in the DayViewDefinitions and WeekViewDefinitions in some scenarios. For example, if you create a two day appointment (lets say 1 Nov 2025 to 3 Nov 2025), in the WeekViewDefinition you will see appointment containers only for 1 and 2 Nov. The same goes for the DayViewDefinition. In comparison the MonthViewDefinition shows all appointment visuals.

This often happens when the appointment continues to another data range in the view (for example in the next day or next week).